PCB 免費設計軟體 DesignSpark PCB, FreePCB

==  DesignSpark PCB ==

【軟體簡介】
DesignSpark PCB是由RS Components提供、功能強勁的免費正版PCB設計工具。
【詳細說明】
它具有兩個主要功能：原理圖製作和印刷電路板佈局，亦可以連接到業界標準的Spice模擬器進行模擬。

DesignSpark PCB具計算線路阻抗值的設計計算器，和產生3D視覺效果，能夠給用家以3D的形式觀看屬於你的PCB設計。


【安裝說明】
1. 首先，下載軟體安裝 (建議需網路連線)
http://www.designspark.com/eng/page/designspark-pcb-home-page

2. 連接到官方網站啟動(activity 活化)軟體
http://www.designspark.com/eng/users/login

Reference:
1. 指導影片 http://www.youtube.com/user/DesignSparkTW?feature=watch
2. 英文官網  http://www.designspark.com/eng/page/designspark-pcb-home-page (中文官網為簡體中文)

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== FreePCB ==

FreePCB is a free, open-source PCB editor for Microsoft Windows, released under the GNU General Public License. It was designed to be easy to learn and easy to use, yet capable of professional-quality work. It does not have a built-in autorouter, but it can use the FreeRoute web-based autorouter at www.freerouting.net. Some of its features are:

• 1 to 16 copper layers
• Board size up to 60 inches by 60 inches
• Uses English or metric units (i.e. mils or mm) for most functions.
• Footprint libraries courtesy of Ivex Design International, PCB Matrix and the IPC.
• Copper fill areas
• Footprint Wizard and Footprint Editor for creating or modifying footprints
• Imports and exports PADS-PCB netlists
• Exports extended Gerber files (RS274X) and Excellon drill files
• Design rule checker
• Autosave

The layout for a small PCB is shown in the screenshot below.






Reference:
1. 官網 http://www.freepcb.com/
2. 教學網站 http://www.mobile01.com/topicdetail.php?f=300&t=533106